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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/45351

45351

ZIP 45351 is Osgood, Ohio, in Darke County; area codes 419 and 567; Eastern time.

Type
Standard
Time zone
America/New_York
County
Darke
Metro area
Greenville, OH
Population
328
Coordinates
40.3396, -84.4957
☼ Live from 45351 — Osgood, OH

Weather right now

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Local time: —

Where 45351 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 45351
  • 🔢 Type 45351 into a pocket calculator and turn it upside down: ISESh — not quite a word, sorry.
  • ➕ As a number, 45,351 = 3 × 3 × 5039. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000100100111
  • 🏠 Its numerical neighbours: 45350 (North Star, OH, 4 mi away) and 45352 (Palestine, OH, 24 mi away).
  • 🔄 Backwards, 45351 becomes 15354, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (13455, 15345, 15435, 15534, 31545, 31554, …). The farthest-flung twin is 31545 in Jesup, GA, 622 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 58%.
  • 🎯745 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45351 and you would come out at 40.34°S, 95.50°E — 1,271 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 0.335 square miles of land, 45351 is bigger than 4% of ZIP codes — about 162 football fields.
🌙 The sky over 45351 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population328This ZIP328
Households108This ZIP108
Housing units116This ZIP116
Median age32.0This ZIP32.0Ohio39.7US 38.9
Median household income$101,875This ZIP$101,875Ohio$71,389US $80,734
Median home value$223,700This ZIP$223,700Ohio$214,800US $332,700
Median gross rent$1,000This ZIP$1,000Ohio$1,034US $1,413
Bachelor's degree or higher20.9%This ZIP20.9%
Mean commute15.6 minThis ZIP15.6 min
Population density979.1 / sq miThis ZIP979.1 / sq mi

Business and tax activity

Business establishments9This ZIP9
Employees221This ZIP221
Annual payroll$10,071,000This ZIP$10,071,000

Land area

Land area0.34 sq miThis ZIP0.34 sq mi
Water area0.00 sq mi

Other place names in 45351

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 45351

ZIPCityDistance
45388 Yorkshire, OH 1.1 mi
45350 North Star, OH 4.2 mi
45860 Maria Stein, OH 4.4 mi
45845 Fort Loramie, OH 6.0 mi
45826 Chickasaw, OH 6.7 mi
45380 Versailles, OH 6.8 mi
45865 Minster, OH 7.5 mi
45362 Rossburg, OH 7.7 mi
45883 Saint Henry, OH 7.7 mi
45310 Burkettsville, OH 7.8 mi

Find every ZIP code within 10 miles of 45351 →

Questions about this ZIP code

Where is ZIP code 45351?

45351 is in Osgood, Ohio, in Darke County, part of the Greenville, OH micropolitan area. Its published point location is 40.3396, -84.4957.

What county is 45351 in?

45351 lies in Darke County.

What area code is 45351?

Osgood uses area codes 419 and 567, from NANPA's telephone records.

What time zone is 45351 in?

45351 uses America/New_York.

How many people live in 45351?

About 328 people live in ZIP code 45351, in 108 households, at 979.1 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 45351?

$101,875 a year, against $71,389 across Ohio.

What ZIP codes are near 45351?

The closest are 45388 (1.1 mi), 45350 (4.2 mi), 45860 (4.4 mi), 45845 (6 mi) and 45826 (6.7 mi).

Is 45351 a PO Box ZIP code?

45351 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “45351 ZIP Code — Osgood, Ohio (Darke County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45351

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